Home / 3,580,988,950.40-5,371,483,425.60-2,126,217,545.60

Finding the Fourth Proportional to 3,580,988,950.40, 5,371,483,425.60 and 2,126,217,545.60

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Solution

The fourth proportional to 3,580,988,950.40, 5,371,483,425.60 and 2,126,217,545.60 is: 3,189,326,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,988,950.40 : 5,371,483,425.60 = 2,126,217,545.60 : x
  2. Step 2: Convert to fraction form
    3,580,988,950.40/5,371,483,425.60 = 2,126,217,545.60/x
  3. Step 3: Cross multiply
    3,580,988,950.40x = 5,371,483,425.60 × 2,126,217,545.60
  4. Step 4: Simplify right side
    3,580,988,950.40x = 11,420,942,305,410,312,192
  5. Step 5: Solve for x
    x = 11,420,942,305,410,312,192/3,580,988,950.40
  6. Step 6: Final answer
    x = 3,189,326,318.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.